Yozo SHOJI


An IMS Restoration System with Selective Storing of Session States
Takeshi USUI Yoshinori KITATSUJI Hidetoshi YOKOTA Kiyohide NAKAUCHI Yozo SHOJI Nozomu NISHINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1853-1864
Type of Manuscript:  PAPER
Category: Network
Keyword: 
restoration systemIMSSIPnetwork operation
 Summary | Full Text:PDF(2.7MB)

A Session State Migration Architecture for Flexible Server Consolidation
Takeshi USUI Kiyohide NAKAUCHI Yozo SHOJI Yoshinori KITATSUJI Hidetoshi YOKOTA Nozomu NISHINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/07/01
Vol. E96-B  No. 7  pp. 1727-1741
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architectures, Protocols, and Management Methods that Enable Sustainable Development)
Category: 
Keyword: 
session state migrationserver consolidationnetwork operationserver and client application
 Summary | Full Text:PDF(15.6MB)

A Markov-Based Satellite-to-Ground Optical Channel Model and Its Effective Coding Scheme
Yoshitoshi YAMASHITA Eiji OKAMOTO Yasunori IWANAMI Yozo SHOJI Morio TOYOSHIMA Yoshihisa TAKAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 254-262
Type of Manuscript:  PAPER
Category: Satellite Communications
Keyword: 
optical satellite communicationoptical satellite-to-ground linkMarkov modelLDGM code
 Summary | Full Text:PDF(2.2MB)

60-GHz Self-Heterodyne Through-Repeater Systems with Suppressed Third-Order Intermodulation Distortions
Chang-Soon CHOI Yozo SHOJI Hiroki OHTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/01/01
Vol. E93-C  No. 1  pp. 94-100
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
millimeter-wavewireless repeaterdigital broadcastingself-heterodyneintermodulation distortion
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Fiber-Optic Broadband Signal Distribution Link Based on a Millimeter-Wave Self-Heterodyne Transmission/Optical Remote Heterodyne Detection Technique
Yozo SHOJI Yoshihiro HASHIMOTO Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1465-1474
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications)
Category: Communication Systems
Keyword: 
millimeter-waveoptical remote heterodyneself-heterodyneoptical SSB modulator
 Summary | Full Text:PDF(1.4MB)

Simple Millimeter-Wave Quasi-Maximal-Ratio-Combining Antenna Diversity System Based on Millimeter-Wave Self-heterodyne Transmission Technique
Yozo SHOJI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2203-2211
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
millimeter-waveMMICself-heterodynediversitymaximal-ratio-combiningreceiver-array
 Summary | Full Text:PDF(1.3MB)

Fiber-Optic Sectorized Remote Antenna Systems for Millimeter-Wave Broadband Wireless Access Networks
Hiroaki YAMAMOTO Kuniaki UTSUMI Michifumi MIYASHITA Masahiro KURONO Yoshizumi SERIZAWA Yozo SHOJI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1191-1196
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonics for Antenna Systems
Keyword: 
radio over fibersub-carrier division multiplexcoarse wavelength division multiplexsectorized remote antenna systembroadband wireless access
 Summary | Full Text:PDF(721.9KB)

Experimental Demonstration of 622 Mbps Millimeter-Wave over Fiber Link for Broadband Fixed Wireless Access System
Yozo SHOJI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1129-1137
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonic Links for Wireless Communications
Keyword: 
millimeter-waveFWAradio-over-fiber64-QAMmulti-carrier
 Summary | Full Text:PDF(726.2KB)

A Low-Cost and Stable Millimeter-Wave Transmission System Using a Transmission-Filter-Less Double-Side-Band Millimeter-Wave Self-Heterodyne Transmission Technique
Yozo SHOJI Kiyoshi HAMAGUCHI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6  pp. 1884-1892
Type of Manuscript:  PAPER
Category: Communication Devices/Circuits
Keyword: 
millimeter-waveself-heterodynedouble-side-bandphase-noisefrequency-offset
 Summary | Full Text:PDF(1.1MB)

Design and Performance of a Millimeter-Wave Video-Transmission System Using 60-GHz Band for Indoor BS Signals Transmission
Kiyoshi HAMAGUCHI Yozo SHOJI Hiroyo OGAWA Yasutake HIRACHI Seiji NISHI Eiichiro KAWAKAMI Eiji SUEMATSU Toshiya IWASAKI Akira AKEYAMA Youichi SHIMOMICHI Takao KIZAWA Ichiro KUWANA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/10/01
Vol. E84-C  No. 10  pp. 1479-1490
Type of Manuscript:  Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century)
Category: 
Keyword: 
millimeter waveBSintermodulationCNRexperiment
 Summary | Full Text:PDF(1.5MB)

Proposal of Chirp Multiplexing Transform/Intensity Modulation/Direct Detection System for Radio Highway Networks
Yozo SHOJI Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7  pp. 1396-1405
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
chirp multiplexing transformFDM-to-TDM conversionroutingradio highway networksfiber-optic microcellular systems
 Summary | Full Text:PDF(857.1KB)

Proposal of the Radio High-Way Networks Using Asynchronous Time Division Multiple Access
Yozo SHOJI Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/03/25
Vol. E79-B  No. 3  pp. 308-315
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Adaptive Radio Communication Technologies)
Category: Access, Network
Keyword: 
microcellular systemoptmicrowave techniqueradiohighway networksasynchronous time division multiple accessoptic-fiber bus link
 Summary | Full Text:PDF(698KB)